<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Bug 1055658 - Relative positioning for ruby</title>
  <link rel="stylesheet" href="common.css">
  <style>
    body {
      line-height: 80px;
    }
    rtc, rt {
      font-size: 100% !important;
      line-height: 1 !important;
    }
  </style>
</head>
<body>
  <ruby style="position: relative;">
    <rb>base</rb>
    <rtc><rt>a<span style="position: relative; top: -10px;">b</span>c</rt></rtc>
    <rtc><div style="width: 50px; height: 0;"></div></rtc>
  </ruby>
</body>
</html>
